zephyr: userspace: Fix compilation options #772

Job	Run time
LP64-WIP	4m 24s
manifest-check	1m 12s
build-windows (tgl tgl-h)	6m 33s
build-windows (ptl)	7m 51s
build-windows (-d, lnl)	5m 51s
build-windows (imx8 imx8x imx8m imx8ulp)	8m 54s
build-windows (mtl lnl)	7m 32s
build-linux (mnfst, mtl lnl)	5m 29s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 27s
build-linux (zmain, ptl)	4m 51s
build-linux (zmain, mtl lnl)	5m 29s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 38s
build-linux (mnfst, tgl tgl-h)	5m 14s
build-linux (-d, mnfst, lnl)	4m 20s
build-linux (zmain, tgl tgl-h)	5m 2s
build-linux (mnfst, ptl)	4m 36s
build-linux (mnfst, --all)	15m 31s
compare-linux-win	1m 2s
	1h 46m 56s

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